Solar cells are used to

a. photograph sunspots.

b. convert sunlight into electricity.

c. convert sunlight and carbon dioxide into sugars.

d. convert electricity into solar energy.

A bike travels at a constant speed of 4.0m/s for 5 seconds. How far it goes?

What is the us specification for ac power?

I'm which medium would sound travel faster? A) across a room B) in a swimming pool C) through outer space D) through a rail road track

If the mass of one liter (L) of water is 1 kg, what is the weight of one liter of water?

A car travels straight for 20 miles on a road that is 30° north of east. What is the east component of the car's displacement to the nearest tenth of a mile? A.) - 17.3 miles B.) - 10.0 miles C.) 10.0 miles D.) 17.3 miles

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

Two pieces of metal with exactly the same mass are placed on a surface in bright sunlight. The temperature of the 1st block increases by 3°C while the temperature of the 2nd increases by 8°C. If the specific heat of the 2nd block is 0.

The correctly balanced equation for H202 - H2O + O, is A) H202 - 2H2O + O2 B) H302 - H20+20, C) 2H, 02 - - 4H20 + 0, D) 2H, 02 - 2H30 + 0,

What happens to the wavelength of a wave if you increase the frequency?

In a transverse wave, the particle motion is what to wave motion? A. perpendicular B. parallel